The kid's X 16.3 features a dynamic compression upper, which requires zero wear-in time perfectly moulding to natural shape of your foot. With a collar construction for support during ultrafast movements, the heel lining extends up the ankle to ensure the foot is locked in place. With a TPU outsole, the X 16.3 features a re-designed stud layout to offer superior traction on firm ground surfaces.Please Note: To achieve the perfect fit, Pro:Direct recommend you go up half a size for the entire adidas X range.Features Include:Please note that these are football boots designed and constructed for the sport of football.